Blue zones are big on breakfast, says longevity researcher Dan Buettner. But their breakfasts are usually hearty and healthy. Here are six foods they eat.

"Instead, people should take a page out of the blue zones and eat a hearty, healthy breakfast." Buettner suggests going for these foods in the morning to mirror the way the world's longest-lived ...

Based on his time and research in places like Okinawa, Japan and Sardinia, Italy, Buettner suggests that first meal of the day may be crucial to living a long, healthy life.

Dan Buettner, a National Geographic fellow and founder of the Blue Zones project, identified five original Blue Zones: ...

In Okinawa, it is common for people to live healthy lives well into their 90s and 100s. So, what is the secret ingredient of the people of Okinawa that makes them the world's longest living humans?

THE OKINAWA WAY: How the World's Longest-Lived People Achieve Everlasting Health—and How You Can Too! Bradley J. Willcox, THE OKINAWA WAY: How the World's Longest-Lived People A. , $24.95 (496pp ...